85804 (1998 WQ5)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3543687860 ± 6.65e-09
Semi-major axis (a)1.7211631714 AU ± 4.75e-10
Inclination (i)27.66459372° ± 1.24e-06
Long. of Asc. Node (Ω)285.67822994° ± 1.30e-06
Arg. of Perihelion (ω)269.84334313° ± 2.00e-06
Mean Anomaly (M)245.90272876° ± 1.68e-06
Mean Motion (n)0.4364949355°/day ± 1.81e-10
Perihelion dist (q)1.11123667 AU ± 1.14e-08
Aphelion dist (Q)2.33108967 AU ± 1.15e-08
Orbital Period2.25804747 yr ± 9.34e-10
Physical Parameters
H (abs. magnitude)15.36
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.207″
Uncertainty0
Orbit TypeAmor
MOID0.371125 AU
Observations Used3309
Gaia Obs Used149
Oppositions16
Arc Total1989-2026
First Observation Used1989-11-25
Last Observation Used2026-01-12
Observations (3973)
Date Type RA Dec Mag Band Observatory
1998-12-20 12:11:14 C 03 06 28.34 +48 00 32.9 360
1998-12-20 12:18:44 C 03 06 27.93 +48 00 24.6 360
1998-12-20 12:22:14 C 03 06 27.76 +48 00 20.7 360
1998-12-26 13:11:29 C 03 00 28.85 +45 18 38.0 360
1998-12-26 13:14:59 C 03 00 28.75 +45 18 34.1 360
1998-12-26 13:18:45 C 03 00 28.58 +45 18 29.8 360
1999-01-09 04:19:38 C 02 56 18.70 +39 14 28.0 18.7 a 704
1999-01-09 04:34:47 C 02 56 18.89 +39 14 09.9 18.4 a 704
1999-01-09 04:50:04 C 02 56 18.85 +39 13 55.5 19.1 a 704
1999-01-09 05:05:22 C 02 56 18.61 +39 13 38.4 18.9 a 704
1999-01-09 05:20:36 C 02 56 18.52 +39 13 23.0 18.9 a 704
1999-01-17 18:03:56 C 02 59 18.97 +35 44 13.7 118
1999-01-17 18:08:22 C 02 59 19.02 +35 44 08.0 118
1999-01-21 17:44:46 C 03 01 56.32 +34 13 57.6 046
1999-01-21 17:47:04 C 03 01 56.40 +34 13 55.7 046
1999-01-21 17:54:55 C 03 01 56.64 +34 13 48.6 046
1999-01-21 17:56:35 C 03 01 56.70 +34 13 47.0 046
1999-01-22 11:44:30 C 03 02 30.40 +33 57 35.5 360
1999-01-22 11:48:00 C 03 02 30.53 +33 57 32.4 360
1999-01-22 11:51:59 C 03 02 30.63 +33 57 28.7 360
1999-02-25 20:19:07 C 03 48 28.51 +24 22 41.7 z 587
1999-02-25 20:31:37 C 03 48 29.46 +24 22 35.2 z 587
1999-08-01 08:57:27 C 11 17 47.69 -16 17 38.2 413
1999-08-01 08:59:54 C 11 17 48.11 -16 17 40.1 413
1999-08-01 09:02:26 C 11 17 48.54 -16 17 42.1 413
1999-08-02 09:45:15 C 11 22 04.68 -16 36 52.8 413
1999-08-02 09:47:57 C 11 22 05.15 -16 36 54.8 413
2000-08-27 22:10:37 C 01 45 46.19 +50 00 46.6 d 557
2000-08-27 22:49:55 C 01 45 45.77 +50 01 08.9 d 557
2000-09-30 07:29:59 C 01 11 17.68 +54 43 01.3 z 711
2000-09-30 08:22:06 C 01 11 13.73 +54 43 04.3 z 711
2000-10-01 10:01:50 C 01 09 19.95 +54 44 26.5 z 711
2000-10-01 10:33:17 C 01 09 17.59 +54 44 27.5 z 711
2002-08-02 22:21:10 C 23 45 39.74 +36 39 10.7 d 540
2002-08-02 22:32:01 C 23 45 39.47 +36 39 16.9 d 540
2002-08-02 22:49:27 C 23 45 38.87 +36 39 27.8 d 540
2002-08-28 06:32:50 C 23 16 21.29 +41 04 06.3 19.0 c 704
2002-08-28 06:52:11 C 23 16 20.02 +41 04 10.5 19.5 c 704
2002-08-28 07:11:33 C 23 16 18.72 +41 04 14.9 19.1 c 704
2002-08-28 07:30:50 C 23 16 17.37 +41 04 18.8 19.3 c 704
2002-08-28 07:50:11 C 23 16 16.14 +41 04 23.0 19.7 c 704
2002-09-17 05:18:23 C 22 43 22.41 +40 53 29.2 c 670
2002-09-17 05:35:12 C 22 43 21.19 +40 53 26.7 c 670
2002-11-28 02:52:56 C 22 22 21.51 +26 45 46.8 c 711
2002-11-28 03:10:48 C 22 22 22.09 +26 45 38.3 c 711
2002-11-28 03:28:37 C 22 22 22.84 +26 45 32.5 c 711
2003-01-16 01:34:35 C 23 27 13.23 +24 07 16.6 c 711
2003-01-16 01:51:10 C 23 27 14.45 +24 07 15.1 c 711
2003-01-16 02:07:40 C 23 27 15.71 +24 07 16.2 c 711
2004-04-23 17:28:47 C 21 40 24.61 -16 59 30.0 r E12